126510497799 has 32 divisors (see below), whose sum is σ = 193657658880. Its totient is φ = 71962376832.

The previous prime is 126510497783. The next prime is 126510497803. The reversal of 126510497799 is 997794015621.

It is not a de Polignac number, because 126510497799 - 2⁴ = 126510497783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126514497799) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5569437 + ... + 5592105.

It is an arithmetic number, because the mean of its divisors is an integer number (6051801840).

Almost surely, 2^126510497799 is an apocalyptic number.

126510497799 is a deficient number, since it is larger than the sum of its proper divisors (67147161081).

126510497799 is a wasteful number, since it uses less digits than its factorization.

126510497799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23879.

The product of its (nonzero) digits is 8573040, while the sum is 60.

The spelling of 126510497799 in words is "one hundred twenty-six billion, five hundred ten million, four hundred ninety-seven thousand, seven hundred ninety-nine".